@article{AIHPC_2021__38_4_1095_0, author = {Adami, Riccardo and Boscain, Ugo and Franceschi, Valentina and Prandi, Dario}, title = {Point interactions for {3D} {sub-Laplacians}}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {1095--1113}, publisher = {Elsevier}, volume = {38}, number = {4}, year = {2021}, doi = {10.1016/j.anihpc.2020.10.007}, mrnumber = {4266236}, zbl = {1468.35181}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.anihpc.2020.10.007/} }